Quick please! Which best describes the triangle? 1.Acute and isosceles 2.Acute and scalene 3. Right isosceles 4.Obtuse and isosceles? :(((

Can someone me my sister? she is in third grade. 50 points and brainlist! ones that are not answered. plz and thx!

Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab